Question about Computers & Internet
This error message advises you that the computer case has been opened and this can be reset/cleared in the BIOS configuration.
Posted on Oct 01, 2010
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Posted on Jan 02, 2017
SOURCE: I have dx2480 business pc
With this being a Buisness pc, only authorised people are allowed to open the case.
You have triggered the alarm and will need an administrator to over ride this fault.
IF a password has not been set, you may be able to reset this.
Instruction here http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&taskId=110&prodSeriesId=3264501&prodTypeId=12454&prodSeriesId=3264501&objectID=c00789832
Posted on Sep 30, 2010
SOURCE: I have dx2480 business pc Error
Business PC's can trigger an alarm when the cover is removed to prevent unauthorized access to the hardware.
The following link should should you how to reset the alarm.
Posted on Apr 09, 2011
SOURCE: error 912 the machine cover
Make sure case is fully closed and intrusion switch is fully engaged. Boot to the BIOS (F2 on most systems) go to security section, reset intrusion switch. save settings, reboot
Posted on Apr 19, 2011
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